Name
- Meredydd ab Rhys1
- Morgan, Family1
- Morys ab Evan ab Einion, alias Morys Dwyfech1
- Mostyn, Family1
- Owain Gwilym, Syr1
- Owain Gwynedd, alias Owain Efan1
- Owain Twna1
- Parry, Morris1
- Pennant, Hugh1
- Powel, Family1
- Price, Family1
- Price, Fulke1
- Puleston, Family1
- Raff ab Robert1
- Reed, Family1
- Rhys Meigan1
- Rhys Wyn ab Cadwaladr1
- Rhys ab Cynfrig Goch1
- Rhys ab Hywel ab Morgan1
- Rhys o Garno, alias Rhys o Drwen1